Antique radios, Old Time Radios
O15/400
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Country:
Hungary
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| Identical to |
O15/400
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| Similar
Tubes |
Normally replaceable-slightly different:
K445/12
Other base:
O15/400_P8A
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| First Source
(s) |
22.Nov.1935 : Wireless World (The), London (WW, 79)
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| Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 4 Volts / If 1 Ampere / Direct / Specified voltage AC/DC |
| Description |
Pa <16W. Va<500, Z=6k.
Output 3W AF, 18W RF in class C.
Listed in Babani as a transmitting tube
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| Information source |
Babani, International Radio Tube Encyclopaedia p. 208 & 209
- - Manufacturers Literature
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
Taschenbuch zum Röhren-Codex 1948/49
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O15/400: rtt
Anonymous 10 Collector
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Just Qvigstad
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O15/400: Tungsram, in Januar. 1936, I. Auflage.
Sándor Selyem-Tóth
More ...
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1
Collection of
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